102020220212011 has 4 divisors (see below), whose sum is σ = 102020489704872. Its totient is φ = 102019950719152.

The previous prime is 102020220211999. The next prime is 102020220212039. The reversal of 102020220212011 is 110212022020201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102020220212011 - 2⁵ = 102020220211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020220212041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134177785 + ... + 134935978.

It is an arithmetic number, because the mean of its divisors is an integer number (25505122426218).

Almost surely, 2^{102020220212011} is an apocalyptic number.

102020220212011 is a deficient number, since it is larger than the sum of its proper divisors (269492861).

102020220212011 is an equidigital number, since it uses as much as digits as its factorization.

102020220212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269492860.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102020220212011 its reverse (110212022020201), we get a palindrome (212232242232212).

The spelling of 102020220212011 in words is "one hundred two trillion, twenty billion, two hundred twenty million, two hundred twelve thousand, eleven".